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1.
Journal of Huazhong University of Science and Technology (Medical Sciences) ; (6): 655-8, 2009.
Article in English | WPRIM | ID: wpr-634676

ABSTRACT

To re-identify and further group 25 isolates of Trichosporon spp. identified morphologically previously, sequences of D1/D2 region of large subunit (LSU) of ribosomal DNA (rDNA) of 25 tested strains for identification and those of ribosomal intergenic space 1 (IGS1) region of 11 strains for subgrouping were detected. The identifications of tested strains were changed except 6 strains. According to the alignment of the IGS1 region, 6 T. asahii isolates tested fell into 4 groups and 5 T. faecale isolates into 3 groups. Polymorphism of 2 T. japonicum isolates was found in 10 positions. With the alignments obtained in this research compared with the relative GenBank entries, it was found that T. asahii, T. faecale and T. japonicum species were divided into 7, 3 and 2 subtypes respectively. Morphological and biophysical methods are not sufficient for Trichosporon spp. identification. Sequencing becomes necessary for Trichosporon diagnosis. There is obvious diversity within a species.

2.
Bol. micol ; 13(1/2): 39-45, 1998. tab
Article in English | LILACS | ID: lil-255740

ABSTRACT

Mediante la toma de muestras de secreciones orofaringeas, nasales y del oído externo de 50 pacientes con sindrome de inmunodeficiencia adquirida (SIDA-AIDS) y del aire de las salas de tratamiento de los mismos, se obtuvieron 238 muestras: 87 de las secreciones y 151 del aire. Se aislaron 29 spp. de hongos filamentosos de los especímenes clínicos y 38 del aire. En las secreciones de los pacientes, el grupo forma: mycelia sterilia, y fusarium oxysporum, f. lateritium, aspergillus parasiticus, fueron los hyphomycetes más representativos y los géneros aspergillus y fusarium constituyeron el 47 porciento de los aislamientos en proporciones semejantes. En el ambiente hospitalario, el grupo forma mycelia sterilia y las especies c. sphaerospermum, aspergillus sydowii y c. cladosporioides fueron los hyphomycetes más representativos y los géneros aspergillus y penicillium constituyeron el 47,7 porciento de los aislamientos. Los taxa más comunes que se presentaron al mismo tiempo en los pacientes como en su ambiente fueron: mycelia sterilia, c. sphaerospermum, a. sydowii, a. restrictus y p. implicatum


Subject(s)
Humans , Air Analysis , Bodily Secretions/parasitology , Fungi/isolation & purification , Acquired Immunodeficiency Syndrome/complications , AIDS-Related Opportunistic Infections , Mycoses/diagnosis
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